Hierarchy/Derived subclasses
| 414 / 137.1 | -> 142.6 |
uspto searches
Patent Apps in 414/142.6Granted Patents in 414/142.6
Use the links above or do an advanced search in ppubs for:
(414/142.6.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.